package Test;

import java.util.Scanner;

/**
 * @author feng
 * @Date 2021/12/24 10:04
 * 检查书号是否合法
 */
public class TestSixThree {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个字符串:");
        String s = sc.nextLine();

    }


}
